An old article from 2002... Bacteria Point The Way To Gold Deposits http://www.sciencedaily.com/releases/2002/05/02052 3075914.htm/ Can bacteria help find gold? A pilot survey of 11 soil profiles across gold mining regions in the Peoples Republic of China indicates that elevated spore counts of Bacillus cereus, a common soil bacterium, were detected in areas adjacent to underlying gold deposits.....